Cheonggyesan (청계산; 淸溪山) is the name of several mountains in South Korea:
Cheonggyesan (Gwacheon/Seongnam) is in Seoul and several cities in Gyeonggi-do Cheonggyesan (North Gyeongsang) is in the city of Sangju, Gyeongsangbuk-do Cheonggyesan (Yangpyeong) is in Yangpyeong County, Gyeonggi-do Cheonggyesan (Pocheon/Gapyeong) is in the city of Pocheon and Gapyeong County, Gyeonggi-do